pronuclei Definition
- 1the haploid nuclei of the sperm and ovum that fuse at fertilization to form the nucleus of the zygote.
- 2either of these nuclei before fusion.
Using pronuclei: Examples
Take a moment to familiarize yourself with how "pronuclei" can be used in various situations through the following examples!
Example
The pronuclei of the sperm and egg fuse to form the zygote.
Example
The formation of the male and female pronuclei is a critical step in fertilization.
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Summary: pronuclei in Brief
Pronuclei [proh-noo-klee-ahy, -nyoo-] are the haploid nuclei of the sperm and ovum that fuse at fertilization to form the nucleus of the zygote. They can also refer to either of these nuclei before fusion. The formation of the male and female pronuclei is a critical step in fertilization.
